Ubuntu: (Multiple Advisories) (CVE-2025-61748): OpenJDK 25 vulnerabilities

Jinfeng Guo discovered that the Security component of OpenJDK 25 did not
correctly handle certain representations of encoded strings. An
unauthenticated remote attacker could possibly use this issue to modify
files or leak sensitive information. (CVE-2025-53057)

Darius Bohni discovered that the JAXP component of OpenJDK 25 was
vulnerable to a XML External Entity (XEE) attack. An unauthenticated remote
attacker could possibly use this issue to modify files or leak sensitive
information. (CVE-2025-53066)

Yakov Shafranovich discovered that the Libraries component of OpenJDK 21
contained an issue where certain Strings built with StringBuilder returned
an incorrect result for String.equals() checks. An unauthenticated remote
attacker could possibly use this issue to update, insert, or delete
accessible data. (CVE-2025-61748)

In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.

Please see the following for more information:
https://openjdk.org/groups/vulnerability/advisories/2025-10-21